{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49501",
    "entityType": "User",
    "nonce": "0x722c4b93d9f018f6e92e3ae8f99d2d5496d0b6c50283c6a899a2609afc084666",
    "signature": "0x7e852342dfa5140940293b0e234f77ad46dccd3ffdd5c077b8fdb8642cfd1a7002b3b3e51b0b667f3cda73566a5d8465fcf1351f9efa05e762304496cc4bcc701b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}